Fanuc A20B-1004-0070 spindle sensor. This is Fanuc’s premier hi-resolution feedback system known as CZ type spindle motor sensor. Using optical pick up via a brake out amplifier section. This sensor is a 4 part system consisting of the sensor head, cable to the amplifier then cable to the spindle amplifier.
We offer no services for the CZ type or hi-res sensor system and recommend that you contact Fanuc directly.